Home / 7,081.07-9,772.31-4,056.53

Finding the Fourth Proportional to 7,081.07, 9,772.31 and 4,056.53

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Solution

The fourth proportional to 7,081.07, 9,772.31 and 4,056.53 is: 5,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.07 : 9,772.31 = 4,056.53 : x
  2. Step 2: Convert to fraction form
    7,081.07/9,772.31 = 4,056.53/x
  3. Step 3: Cross multiply
    7,081.07x = 9,772.31 × 4,056.53
  4. Step 4: Simplify right side
    7,081.07x = 39,641,672.83
  5. Step 5: Solve for x
    x = 39,641,672.83/7,081.07
  6. Step 6: Final answer
    x = 5,598.26

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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.