Home / 1,150.61-1,585.58-1,095.32

Finding the Fourth Proportional to 1,150.61, 1,585.58 and 1,095.32

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Solution

The fourth proportional to 1,150.61, 1,585.58 and 1,095.32 is: 1,509.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.61 : 1,585.58 = 1,095.32 : x
  2. Step 2: Convert to fraction form
    1,150.61/1,585.58 = 1,095.32/x
  3. Step 3: Cross multiply
    1,150.61x = 1,585.58 × 1,095.32
  4. Step 4: Simplify right side
    1,150.61x = 1,736,715.97
  5. Step 5: Solve for x
    x = 1,736,715.97/1,150.61
  6. Step 6: Final answer
    x = 1,509.39

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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.