Home / 3,640.74-5,030.42-3,547.41

Finding the Fourth Proportional to 3,640.74, 5,030.42 and 3,547.41

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Solution

The fourth proportional to 3,640.74, 5,030.42 and 3,547.41 is: 4,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.74 : 5,030.42 = 3,547.41 : x
  2. Step 2: Convert to fraction form
    3,640.74/5,030.42 = 3,547.41/x
  3. Step 3: Cross multiply
    3,640.74x = 5,030.42 × 3,547.41
  4. Step 4: Simplify right side
    3,640.74x = 17,844,944.48
  5. Step 5: Solve for x
    x = 17,844,944.48/3,640.74
  6. Step 6: Final answer
    x = 4,901.46

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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.