Home / 7,101.04-9,799.30-4,117.15

Finding the Fourth Proportional to 7,101.04, 9,799.30 and 4,117.15

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Solution

The fourth proportional to 7,101.04, 9,799.30 and 4,117.15 is: 5,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.04 : 9,799.30 = 4,117.15 : x
  2. Step 2: Convert to fraction form
    7,101.04/9,799.30 = 4,117.15/x
  3. Step 3: Cross multiply
    7,101.04x = 9,799.30 × 4,117.15
  4. Step 4: Simplify right side
    7,101.04x = 40,345,244.53
  5. Step 5: Solve for x
    x = 40,345,244.53/7,101.04
  6. Step 6: Final answer
    x = 5,681.59

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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.