Home / 5,720.16-8,572.56-2,256.48

Finding the Fourth Proportional to 5,720.16, 8,572.56 and 2,256.48

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Solution

The fourth proportional to 5,720.16, 8,572.56 and 2,256.48 is: 3,381.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,720.16 : 8,572.56 = 2,256.48 : x
  2. Step 2: Convert to fraction form
    5,720.16/8,572.56 = 2,256.48/x
  3. Step 3: Cross multiply
    5,720.16x = 8,572.56 × 2,256.48
  4. Step 4: Simplify right side
    5,720.16x = 19,343,810.19
  5. Step 5: Solve for x
    x = 19,343,810.19/5,720.16
  6. Step 6: Final answer
    x = 3,381.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.