Home / 1,875.09-2,587.05-1,088.98

Finding the Fourth Proportional to 1,875.09, 2,587.05 and 1,088.98

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Solution

The fourth proportional to 1,875.09, 2,587.05 and 1,088.98 is: 1,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.09 : 2,587.05 = 1,088.98 : x
  2. Step 2: Convert to fraction form
    1,875.09/2,587.05 = 1,088.98/x
  3. Step 3: Cross multiply
    1,875.09x = 2,587.05 × 1,088.98
  4. Step 4: Simplify right side
    1,875.09x = 2,817,245.71
  5. Step 5: Solve for x
    x = 2,817,245.71/1,875.09
  6. Step 6: Final answer
    x = 1,502.46

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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.