Home / 2,307.12-3,182.64-1,560.08

Finding the Fourth Proportional to 2,307.12, 3,182.64 and 1,560.08

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Solution

The fourth proportional to 2,307.12, 3,182.64 and 1,560.08 is: 2,152.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307.12 : 3,182.64 = 1,560.08 : x
  2. Step 2: Convert to fraction form
    2,307.12/3,182.64 = 1,560.08/x
  3. Step 3: Cross multiply
    2,307.12x = 3,182.64 × 1,560.08
  4. Step 4: Simplify right side
    2,307.12x = 4,965,173.01
  5. Step 5: Solve for x
    x = 4,965,173.01/2,307.12
  6. Step 6: Final answer
    x = 2,152.11

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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.