Home / 1,873.35-2,585.21-1,088.05

Finding the Fourth Proportional to 1,873.35, 2,585.21 and 1,088.05

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Solution

The fourth proportional to 1,873.35, 2,585.21 and 1,088.05 is: 1,501.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.35 : 2,585.21 = 1,088.05 : x
  2. Step 2: Convert to fraction form
    1,873.35/2,585.21 = 1,088.05/x
  3. Step 3: Cross multiply
    1,873.35x = 2,585.21 × 1,088.05
  4. Step 4: Simplify right side
    1,873.35x = 2,812,837.74
  5. Step 5: Solve for x
    x = 2,812,837.74/1,873.35
  6. Step 6: Final answer
    x = 1,501.50

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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.