Home / 1,875.03-2,587.51-1,035.74

Finding the Fourth Proportional to 1,875.03, 2,587.51 and 1,035.74

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Solution

The fourth proportional to 1,875.03, 2,587.51 and 1,035.74 is: 1,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.03 : 2,587.51 = 1,035.74 : x
  2. Step 2: Convert to fraction form
    1,875.03/2,587.51 = 1,035.74/x
  3. Step 3: Cross multiply
    1,875.03x = 2,587.51 × 1,035.74
  4. Step 4: Simplify right side
    1,875.03x = 2,679,974.67
  5. Step 5: Solve for x
    x = 2,679,974.67/1,875.03
  6. Step 6: Final answer
    x = 1,429.30

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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.