Home / 4,705.30-6,492.63-2,816.45

Finding the Fourth Proportional to 4,705.30, 6,492.63 and 2,816.45

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Solution

The fourth proportional to 4,705.30, 6,492.63 and 2,816.45 is: 3,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.30 : 6,492.63 = 2,816.45 : x
  2. Step 2: Convert to fraction form
    4,705.30/6,492.63 = 2,816.45/x
  3. Step 3: Cross multiply
    4,705.30x = 6,492.63 × 2,816.45
  4. Step 4: Simplify right side
    4,705.30x = 18,286,167.76
  5. Step 5: Solve for x
    x = 18,286,167.76/4,705.30
  6. Step 6: Final answer
    x = 3,886.29

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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.