Home / 5,368.17-7,407.99-3,130.14

Finding the Fourth Proportional to 5,368.17, 7,407.99 and 3,130.14

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Solution

The fourth proportional to 5,368.17, 7,407.99 and 3,130.14 is: 4,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,368.17 : 7,407.99 = 3,130.14 : x
  2. Step 2: Convert to fraction form
    5,368.17/7,407.99 = 3,130.14/x
  3. Step 3: Cross multiply
    5,368.17x = 7,407.99 × 3,130.14
  4. Step 4: Simplify right side
    5,368.17x = 23,188,045.82
  5. Step 5: Solve for x
    x = 23,188,045.82/5,368.17
  6. Step 6: Final answer
    x = 4,319.54

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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.