Home / 1,875.35-2,587.84-1,036.09

Finding the Fourth Proportional to 1,875.35, 2,587.84 and 1,036.09

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Solution

The fourth proportional to 1,875.35, 2,587.84 and 1,036.09 is: 1,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.35 : 2,587.84 = 1,036.09 : x
  2. Step 2: Convert to fraction form
    1,875.35/2,587.84 = 1,036.09/x
  3. Step 3: Cross multiply
    1,875.35x = 2,587.84 × 1,036.09
  4. Step 4: Simplify right side
    1,875.35x = 2,681,234.33
  5. Step 5: Solve for x
    x = 2,681,234.33/1,875.35
  6. Step 6: Final answer
    x = 1,429.72

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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.