Home / 2,088.18-2,880.36-1,589.76

Finding the Fourth Proportional to 2,088.18, 2,880.36 and 1,589.76

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Solution

The fourth proportional to 2,088.18, 2,880.36 and 1,589.76 is: 2,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.18 : 2,880.36 = 1,589.76 : x
  2. Step 2: Convert to fraction form
    2,088.18/2,880.36 = 1,589.76/x
  3. Step 3: Cross multiply
    2,088.18x = 2,880.36 × 1,589.76
  4. Step 4: Simplify right side
    2,088.18x = 4,579,081.11
  5. Step 5: Solve for x
    x = 4,579,081.11/2,088.18
  6. Step 6: Final answer
    x = 2,192.86

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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.