Home / 3,442.47-4,750.61-1,870.56

Finding the Fourth Proportional to 3,442.47, 4,750.61 and 1,870.56

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Solution

The fourth proportional to 3,442.47, 4,750.61 and 1,870.56 is: 2,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.47 : 4,750.61 = 1,870.56 : x
  2. Step 2: Convert to fraction form
    3,442.47/4,750.61 = 1,870.56/x
  3. Step 3: Cross multiply
    3,442.47x = 4,750.61 × 1,870.56
  4. Step 4: Simplify right side
    3,442.47x = 8,886,291.69
  5. Step 5: Solve for x
    x = 8,886,291.69/3,442.47
  6. Step 6: Final answer
    x = 2,581.37

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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.