Home / 5,615.07-7,752.14-4,992.35

Finding the Fourth Proportional to 5,615.07, 7,752.14 and 4,992.35

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Solution

The fourth proportional to 5,615.07, 7,752.14 and 4,992.35 is: 6,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.07 : 7,752.14 = 4,992.35 : x
  2. Step 2: Convert to fraction form
    5,615.07/7,752.14 = 4,992.35/x
  3. Step 3: Cross multiply
    5,615.07x = 7,752.14 × 4,992.35
  4. Step 4: Simplify right side
    5,615.07x = 38,701,332.41
  5. Step 5: Solve for x
    x = 38,701,332.41/5,615.07
  6. Step 6: Final answer
    x = 6,892.40

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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.