Home / 3,019.95-4,167.47-1,693.65

Finding the Fourth Proportional to 3,019.95, 4,167.47 and 1,693.65

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Solution

The fourth proportional to 3,019.95, 4,167.47 and 1,693.65 is: 2,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.95 : 4,167.47 = 1,693.65 : x
  2. Step 2: Convert to fraction form
    3,019.95/4,167.47 = 1,693.65/x
  3. Step 3: Cross multiply
    3,019.95x = 4,167.47 × 1,693.65
  4. Step 4: Simplify right side
    3,019.95x = 7,058,227.10
  5. Step 5: Solve for x
    x = 7,058,227.10/3,019.95
  6. Step 6: Final answer
    x = 2,337.20

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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.