Home / 3,710.95-5,118.65-2,386.33

Finding the Fourth Proportional to 3,710.95, 5,118.65 and 2,386.33

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Solution

The fourth proportional to 3,710.95, 5,118.65 and 2,386.33 is: 3,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.95 : 5,118.65 = 2,386.33 : x
  2. Step 2: Convert to fraction form
    3,710.95/5,118.65 = 2,386.33/x
  3. Step 3: Cross multiply
    3,710.95x = 5,118.65 × 2,386.33
  4. Step 4: Simplify right side
    3,710.95x = 12,214,772.71
  5. Step 5: Solve for x
    x = 12,214,772.71/3,710.95
  6. Step 6: Final answer
    x = 3,291.55

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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.