Home / 1,856.93-2,565.79-1,461.72

Finding the Fourth Proportional to 1,856.93, 2,565.79 and 1,461.72

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Solution

The fourth proportional to 1,856.93, 2,565.79 and 1,461.72 is: 2,019.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.93 : 2,565.79 = 1,461.72 : x
  2. Step 2: Convert to fraction form
    1,856.93/2,565.79 = 1,461.72/x
  3. Step 3: Cross multiply
    1,856.93x = 2,565.79 × 1,461.72
  4. Step 4: Simplify right side
    1,856.93x = 3,750,473.53
  5. Step 5: Solve for x
    x = 3,750,473.53/1,856.93
  6. Step 6: Final answer
    x = 2,019.72

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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.