Home / 7,101.64-9,799.50-4,117.06

Finding the Fourth Proportional to 7,101.64, 9,799.50 and 4,117.06

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Solution

The fourth proportional to 7,101.64, 9,799.50 and 4,117.06 is: 5,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.64 : 9,799.50 = 4,117.06 : x
  2. Step 2: Convert to fraction form
    7,101.64/9,799.50 = 4,117.06/x
  3. Step 3: Cross multiply
    7,101.64x = 9,799.50 × 4,117.06
  4. Step 4: Simplify right side
    7,101.64x = 40,345,129.47
  5. Step 5: Solve for x
    x = 40,345,129.47/7,101.64
  6. Step 6: Final answer
    x = 5,681.10

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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.