Home / 5,315.21-7,335.06-2,925.46

Finding the Fourth Proportional to 5,315.21, 7,335.06 and 2,925.46

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Solution

The fourth proportional to 5,315.21, 7,335.06 and 2,925.46 is: 4,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.21 : 7,335.06 = 2,925.46 : x
  2. Step 2: Convert to fraction form
    5,315.21/7,335.06 = 2,925.46/x
  3. Step 3: Cross multiply
    5,315.21x = 7,335.06 × 2,925.46
  4. Step 4: Simplify right side
    5,315.21x = 21,458,422.83
  5. Step 5: Solve for x
    x = 21,458,422.83/5,315.21
  6. Step 6: Final answer
    x = 4,037.17

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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.