Home / 5,168.81-7,130.75-4,045.24

Finding the Fourth Proportional to 5,168.81, 7,130.75 and 4,045.24

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Solution

The fourth proportional to 5,168.81, 7,130.75 and 4,045.24 is: 5,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.81 : 7,130.75 = 4,045.24 : x
  2. Step 2: Convert to fraction form
    5,168.81/7,130.75 = 4,045.24/x
  3. Step 3: Cross multiply
    5,168.81x = 7,130.75 × 4,045.24
  4. Step 4: Simplify right side
    5,168.81x = 28,845,606.57
  5. Step 5: Solve for x
    x = 28,845,606.57/5,168.81
  6. Step 6: Final answer
    x = 5,580.70

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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.