Home / 4,707.63-6,495.81-2,690.70

Finding the Fourth Proportional to 4,707.63, 6,495.81 and 2,690.70

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Solution

The fourth proportional to 4,707.63, 6,495.81 and 2,690.70 is: 3,712.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.63 : 6,495.81 = 2,690.70 : x
  2. Step 2: Convert to fraction form
    4,707.63/6,495.81 = 2,690.70/x
  3. Step 3: Cross multiply
    4,707.63x = 6,495.81 × 2,690.70
  4. Step 4: Simplify right side
    4,707.63x = 17,478,275.97
  5. Step 5: Solve for x
    x = 17,478,275.97/4,707.63
  6. Step 6: Final answer
    x = 3,712.75

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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.