Home / 7,389.59-10,197.78-5,798.15

Finding the Fourth Proportional to 7,389.59, 10,197.78 and 5,798.15

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Solution

The fourth proportional to 7,389.59, 10,197.78 and 5,798.15 is: 8,001.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.59 : 10,197.78 = 5,798.15 : x
  2. Step 2: Convert to fraction form
    7,389.59/10,197.78 = 5,798.15/x
  3. Step 3: Cross multiply
    7,389.59x = 10,197.78 × 5,798.15
  4. Step 4: Simplify right side
    7,389.59x = 59,128,207.12
  5. Step 5: Solve for x
    x = 59,128,207.12/7,389.59
  6. Step 6: Final answer
    x = 8,001.55

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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.