Home / 5,458,515.89-7,530,428.45-4,005,686.93

Finding the Fourth Proportional to 5,458,515.89, 7,530,428.45 and 4,005,686.93

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Solution

The fourth proportional to 5,458,515.89, 7,530,428.45 and 4,005,686.93 is: 5,526,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458,515.89 : 7,530,428.45 = 4,005,686.93 : x
  2. Step 2: Convert to fraction form
    5,458,515.89/7,530,428.45 = 4,005,686.93/x
  3. Step 3: Cross multiply
    5,458,515.89x = 7,530,428.45 × 4,005,686.93
  4. Step 4: Simplify right side
    5,458,515.89x = 30,164,538,791,827.23
  5. Step 5: Solve for x
    x = 30,164,538,791,827.23/5,458,515.89
  6. Step 6: Final answer
    x = 5,526,142.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.