Home / 7,054.89-9,735.28-4,070.85

Finding the Fourth Proportional to 7,054.89, 9,735.28 and 4,070.85

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Solution

The fourth proportional to 7,054.89, 9,735.28 and 4,070.85 is: 5,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,054.89 : 9,735.28 = 4,070.85 : x
  2. Step 2: Convert to fraction form
    7,054.89/9,735.28 = 4,070.85/x
  3. Step 3: Cross multiply
    7,054.89x = 9,735.28 × 4,070.85
  4. Step 4: Simplify right side
    7,054.89x = 39,630,844.23
  5. Step 5: Solve for x
    x = 39,630,844.23/7,054.89
  6. Step 6: Final answer
    x = 5,617.50

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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.