Home / 7,019.25-9,686.57-3,875.46

Finding the Fourth Proportional to 7,019.25, 9,686.57 and 3,875.46

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Solution

The fourth proportional to 7,019.25, 9,686.57 and 3,875.46 is: 5,348.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.25 : 9,686.57 = 3,875.46 : x
  2. Step 2: Convert to fraction form
    7,019.25/9,686.57 = 3,875.46/x
  3. Step 3: Cross multiply
    7,019.25x = 9,686.57 × 3,875.46
  4. Step 4: Simplify right side
    7,019.25x = 37,539,895.19
  5. Step 5: Solve for x
    x = 37,539,895.19/7,019.25
  6. Step 6: Final answer
    x = 5,348.13

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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.