Home / 5,345.01-7,375.95-2,987.14

Finding the Fourth Proportional to 5,345.01, 7,375.95 and 2,987.14

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Solution

The fourth proportional to 5,345.01, 7,375.95 and 2,987.14 is: 4,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.01 : 7,375.95 = 2,987.14 : x
  2. Step 2: Convert to fraction form
    5,345.01/7,375.95 = 2,987.14/x
  3. Step 3: Cross multiply
    5,345.01x = 7,375.95 × 2,987.14
  4. Step 4: Simplify right side
    5,345.01x = 22,033,004.50
  5. Step 5: Solve for x
    x = 22,033,004.50/5,345.01
  6. Step 6: Final answer
    x = 4,122.17

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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.