Home / 5,235.84-7,225.29-2,877.93

Finding the Fourth Proportional to 5,235.84, 7,225.29 and 2,877.93

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Solution

The fourth proportional to 5,235.84, 7,225.29 and 2,877.93 is: 3,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.84 : 7,225.29 = 2,877.93 : x
  2. Step 2: Convert to fraction form
    5,235.84/7,225.29 = 2,877.93/x
  3. Step 3: Cross multiply
    5,235.84x = 7,225.29 × 2,877.93
  4. Step 4: Simplify right side
    5,235.84x = 20,793,878.85
  5. Step 5: Solve for x
    x = 20,793,878.85/5,235.84
  6. Step 6: Final answer
    x = 3,971.45

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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.