Home / 5,564.09-7,680.02-4,148.01

Finding the Fourth Proportional to 5,564.09, 7,680.02 and 4,148.01

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Solution

The fourth proportional to 5,564.09, 7,680.02 and 4,148.01 is: 5,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.09 : 7,680.02 = 4,148.01 : x
  2. Step 2: Convert to fraction form
    5,564.09/7,680.02 = 4,148.01/x
  3. Step 3: Cross multiply
    5,564.09x = 7,680.02 × 4,148.01
  4. Step 4: Simplify right side
    5,564.09x = 31,856,779.02
  5. Step 5: Solve for x
    x = 31,856,779.02/5,564.09
  6. Step 6: Final answer
    x = 5,725.42

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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.