Home / 7,088.07-9,784.89-4,731.78

Finding the Fourth Proportional to 7,088.07, 9,784.89 and 4,731.78

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Solution

The fourth proportional to 7,088.07, 9,784.89 and 4,731.78 is: 6,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.07 : 9,784.89 = 4,731.78 : x
  2. Step 2: Convert to fraction form
    7,088.07/9,784.89 = 4,731.78/x
  3. Step 3: Cross multiply
    7,088.07x = 9,784.89 × 4,731.78
  4. Step 4: Simplify right side
    7,088.07x = 46,299,946.80
  5. Step 5: Solve for x
    x = 46,299,946.80/7,088.07
  6. Step 6: Final answer
    x = 6,532.10

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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.