Home / 5,315.66-7,335.63-2,925.64

Finding the Fourth Proportional to 5,315.66, 7,335.63 and 2,925.64

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Solution

The fourth proportional to 5,315.66, 7,335.63 and 2,925.64 is: 4,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.66 : 7,335.63 = 2,925.64 : x
  2. Step 2: Convert to fraction form
    5,315.66/7,335.63 = 2,925.64/x
  3. Step 3: Cross multiply
    5,315.66x = 7,335.63 × 2,925.64
  4. Step 4: Simplify right side
    5,315.66x = 21,461,421.72
  5. Step 5: Solve for x
    x = 21,461,421.72/5,315.66
  6. Step 6: Final answer
    x = 4,037.40

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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.